The Union government has opened up the defence industry for private sector participation to provide impetus to indigenous manufacturing.
The Indian defence manufacturing setup has earlier got a major export order worth USD 374 million from the Philippines to supply shore-based anti-ship missiles for the country's navy.
On the S-400 deal, he said that it not only has symbolic meaning but has a very important practical meaning for the Indian defence capability.
He made the remarks at the launch of Amity University's M Tech in Defence Technology course, its joint programme with the DRDO and the All India Council for Technical Education.
Delivering the Sardar Patel Memorial Lecture, Doval claimed that in the past four years, the country's 'national will' has been aroused.